Water depth-loran position recorder

Details Water depth-loran position recorder Water depth-loran position recorder

1979-03-12

1980-08-12

Miller, Jr., George H.

Recorders

Plural-function recorder, distinguishable recordings

Single marker and single record receiver

346 33C, G01D 928

Patent

active

042175933

ABSTRACT:
Apparatus, for use with a chart recording fathometer, for receiving loran C time difference/line of position information and for recording that information in vertical columns on the chart in juxtaposition with water depth information from the fathometer. The apparatus requires no modifications to conventional recording fathometers and is simply electrically connected to the fathometer's transducer.

REFERENCES:
patent: 3274608 (1966-09-01), Ewing et al.
patent: 3803629 (1974-04-01), Walsh et al.
patent: 3886526 (1975-05-01), Smith
patent: 3949408 (1976-04-01), Mason et al.
patent: 4020447 (1977-04-01), Michon et al.

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